Stewart Crameri, Aaron Black, Ryan Gardner, Cory Gregson, Matthew Hayball and Timm House are delisted by Geelong.
"We sincerely thank all six players for their service to the club, whether it be over a short or a long period, these players have all made a contribution to Geelong as footballers and as quality people," Cats head of football Simon Lloyd said.
"The club wishes them all the best as they embark on their future endeavours."